Ando AQ6315A Specs:

Ando AQ6315A. The AQ6315A Optical Spectrum Analyzer brings advanced capabilities to a wide range of applications, from light source evaluation to measurement of loss wavelength characteristics in optical devices. This unit incorporates a totally new monochromator design. In spite of the compact case, they support single-pass/double-pass monochromator mode select. In the double-pass monochromator mode dynamic range is improved far beyond what it has been before. In the single-pass monochromator mode, it supports the same wide range of applications as previous models.